Here is a top 20 ranking of the ski areas which have the longest slopes in Japan for the 2023-24 winter season. These lengths reflect those of the slopes which are available without re-riding on the lifts or hiking up. The length of the longest slopes helps us to know how large the ski areas are.
1st Nozawa Onsen (Nagano) 10.0km
2nd Tsugaike Kogen (Nagano) 9.5km
3rd Zao Onsen (Yamagata) 9.0km
4th Myoko Suginohara (Niigata) 8.5km
5th Hakuba Happo-one (Nagano) 8.0km
6th Lotte Arai (Niigata) 7.0km
6th Ontake (Nagano) 7.0km
8th Hakuba Goryu & Hakuba47 (Nagano) 6.4km
9th Sapporo Teine (Hokkaido) 6.0km
9th Tengendai (Yamagata) 6.0km
9th Joetsu Kokusai (Niigata) 6.0km
9th Kagura (Niigata) 6.0km
9th Yuzawa Kogen (Niigata) 6.0km
9th Maiko (Niigata) 6.0km
9h Shiga Kogen (Nagano) 6.0km
9th Ryuoo (Nagano) 6.0km
17th Ski Jam Katsuyama 5.8km, 18th Niseko Grand Hirafu 5.6km, 19th Appi Kogen 5.5km, 19th Hakkaisan 5.5km
*In Tsugaike Kogen, the longest slope reaches 11.9km when Tsugaike Ropeway is open for the spring operation (Extra ticket required) and the slope from the Ropeway Summit Station to Tsuga-no-mori (2,400m, Out of ski area control) is available.
*In terms of the combination of skiing and off-piste skiing, YAMABOKU’s Takochi Tour course is 13km long.
*Ski Area Visitor Ranking Top 20 (*6/28 updated), Ski Area Altitude Gap Ranking Top 20 (6/30 updated), Ski Area Opening Length Ranking Top 20 (7/12 updated).